20149881 is an odd 8-digits composite number following 20149880
and preceding 20149882 . In scientific notation, it is written as 2.0149881 × 10^7.
The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors.
There are 13433252 positive integers (up to 20149881) that are relatively prime to 20149881.
20149881 has 4 divisors, whose sum is 26866512
The reverse of 20149881 is 18894102
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty million one hundred forty-nine thousand eight hundred eighty-one
Scientific notation
2.0149881 × 10^7
Engineering notation
2.0149881 × 10^6
Prime Factorization
3 × 6716627
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20149881
Product of the distinct prime numbers
The prime factorization of 20149881 is 3 × 6716627.
Since it has a total of 2 prime factors.
1 , 6 , 4 , 63 , 965 , 88 , 5062 , 5288 , 26359 , 11870 , 676537 , 958295 , 7784470 , 2801634 , 49353386 , 84370309 , 707115689 , 737884907 , 1694293933 , 1595282112
n×2
40299762
n×3
60449643
n×4
80599524
n×5
100749405
n÷2
10074940.5
n÷3
6716627
n÷3
5037470.25
n÷5
4029976.2
n2
406017704314161
n3
8.1812084258235E+21
n4
1.6485037621654E+29
n5
3.3217154635685E+36
2 √n
4488.861882482
3 √n
272.11814090081
4 √n
66.998969264325
5 √n
28.897115721871
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20149880
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20149881 can be divided by 4 positive divisors.
The sum of these divisors (counting 20149881) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110111011001111001
3
Ternary
1101220201102220
4
Quaternary
1030313121321
5
Quinary
20124244011
6
Senary
1555514253
8
Octal
114673171
10
Decimal
20149881
12
Duodecimal
68b8989
16
Hexadecimal
1337679
20
Vigesimal
65iee1
36
Base36
bzvqx
md5
85ceb9b9199cb28749d82d825de6e775
sha1
18ac9e7b0921206b66d51d9e8f20305c82ac3881
sha256
8a3e236063e1ec30301fd3c5c48ced8bd7d4d005ddd860b669023a0e7e34abd0
sha512
2aa4811543bb3fe15aa900fcfeaaef0831af8976fdda2412d88ab459229541708413f13cef2d1a6d19c1772d858a0c99c59c6bdf98fb866cc111c4741ed5b492
ripemd-160
0f18326d63b89d9221298b43daaf74253182aadc
Diameter
40299762
Circumference
126605436.24062
Area
1.2755422371008E+15
Volume
3.4269365717405E+22
Surface area
5.102168948403E+15
Circumference
126605436.24062
Perimeter
80599524
Area
406017704314161
Diagonal
28496234.990404
Surface area
2436106225884966
Volume
8.1812084258235E+21
Space diagonal
34900617.658467
Perimeter
60449643
Area
1.7581082316115E+14
Altitude
17450308.829233
Surface area
1.7581082316115E+14
Volume
9.6416465936672E+20
Height
9498744.9968013